EP3788865B1 - Noueurs de fil - Google Patents

Noueurs de fil Download PDF

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Publication number
EP3788865B1
EP3788865B1 EP19195962.6A EP19195962A EP3788865B1 EP 3788865 B1 EP3788865 B1 EP 3788865B1 EP 19195962 A EP19195962 A EP 19195962A EP 3788865 B1 EP3788865 B1 EP 3788865B1
Authority
EP
European Patent Office
Prior art keywords
twine
pair
recesses
recess
knotter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19195962.6A
Other languages
German (de)
English (en)
Other versions
EP3788865A1 (fr
Inventor
Michael Flanhardt
Heinrich Günter Schumacher
Hans-Robert Lüttich
Christian Steglich
Andreas Acimas
Karsten BALDSIEFEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rasspe Systemtechnik GmbH
Original Assignee
Rasspe Systemtechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rasspe Systemtechnik GmbH filed Critical Rasspe Systemtechnik GmbH
Priority to ES19195962T priority Critical patent/ES2903445T3/es
Priority to EP19195962.6A priority patent/EP3788865B1/fr
Priority to PL19195962T priority patent/PL3788865T3/pl
Priority to US16/997,138 priority patent/US11856894B2/en
Priority to CN202010921765.4A priority patent/CN112455760B/zh
Publication of EP3788865A1 publication Critical patent/EP3788865A1/fr
Application granted granted Critical
Publication of EP3788865B1 publication Critical patent/EP3788865B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D39/00—Independent binders, e.g. for hay; Binders attachable to mowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D59/00—Equipment for binding harvested produce
    • A01D59/04—Knotters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F15/00—Baling presses for straw, hay or the like
    • A01F15/08—Details
    • A01F15/12—Feeding devices for the ties
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F15/00—Baling presses for straw, hay or the like
    • A01F15/08—Details
    • A01F15/14—Tying devices specially adapted for baling presses
    • A01F15/145—Twine knotters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/185—Details of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/26—Securing ends of binding material by knotting
    • B65B13/265—Hand tools

Definitions

  • the invention relates to a twine knotter, which has a knotter hook for forming a knot, a twine holder for clamping twine with a twine holder, the twine holder being in operative connection with the driver over part of its circumference, and a driver rotatable relative to the twine holder, the driver has at least two pairs of recesses over the circumference, each with a front recess in one direction of rotation of the driver for receiving a single thread or a single pair of threads and a rear recess for receiving a further single thread or pair of threads, a thread feed device for feeding thread via the knotter hook in the thread holder and a thread knife for cutting thread.
  • Twine knotters or knotters are mainly used in mobile pack presses for the formation of bundles from straw, hay, silage and similar goods as well as in the use of valuable materials, for example for bundling paper, textiles, thin metal sheets and the like. Binding or bundling devices equipped with such yarn knotters can also be part of packaging systems for tying packs, bales or bundles made of other materials suitable for this purpose.
  • the material to be pressed is compressed in a press channel, which is mostly rectangular in cross-section, and pressed into a rectangular strand of material.
  • This is divided into cuboid packs - the designation square bale is also common - their top and bottom as well the outer sides of which are strapped in the longitudinal direction of the press channel with several strands of yarn which are knotted before the pack is ejected.
  • a yarn knotter described at the beginning is, for example, from FIG U.S. 3,441,302 A and the GB 1 146 035 A known.
  • each twine knotter has a drive pulley that is threaded onto the knotter shaft and connected to it in a rotationally fixed manner.
  • the drive pulley has several toothed sections over partial circumferences, which mesh with pinions of drive components in order to drive them in rotation.
  • the toothed sections are combined into groups of toothed sections that serve to form a node.
  • the Indian DE 86 06 383 U1 The yarn knotter described is designed as a single knotter. This means that the drive pulley has a single group of toothed sections, so that exactly one knot is tied for a full rotation of the drive pulley. In a so-called double knotter, the drive pulley has two groups of toothed sections, so that two knots are tied with one full turn of the drive pulley.
  • a disadvantage of the yarn knotters described according to the prior art is that between the formation of two knots, a yarn residue is created that is not knotted and falls loosely onto the container as waste.
  • the object of the present invention is to provide a yarn knotter and a method for forming knots in which a yarn residue is avoided.
  • each recess takes exactly one single strand of yarn.
  • the thread holder has a length over the circumference of the driver such that in a certain rotational position of the driver relative to the thread holder the thread holder clamps a thread strand in a recess of a pair of openings and releases another thread in a further opening of the same pair of openings.
  • the yarn knife is able to cut through only one yarn strand of a pair of recesses and not to cut through the other yarn strand of the same pair of recesses and to pull it out of the yarn holder.
  • the distance between the front recess and the rear recess of a pair of recesses can be less than the distance between two pairs of recesses that are adjacent or successive over the circumference. In this way, the two individual strands of yarn that are knotted together are kept close to one another over the circumference of the driver. This ensures that the two individual yarn strands are fed to the knotter hook as closely as possible, so as not to negatively affect the formation of the knot.
  • the yarn knotter can also have a yarn clamp, which is arranged on a side of the driver facing away from the knotter hook and serves to hold yarn between the to clamp the rear recess of the front recess pair and the front recess of the rear recess pair.
  • the front recesses of the recess pairs extend over a larger partial circumference of the driver than the rear recesses.
  • the twine knotter also has a drive pulley that can be driven in rotation with at least one group of toothed sections for intermittently driving the knotter hook, in particular a knotter hook drive shaft of the knotter hook, and for driving the driver, in particular a driver drive shaft of the driver.
  • the at least one group of toothed sections has a knotter hook toothed section and a driver toothed section each with a plurality of teeth, the driver toothed section having a toothless interruption over the circumference.
  • the tooth-free interruption in the driver tooth section enables the driver to be rotated over an angular range when a knot is formed so that a strand of yarn can be inserted into the front recess of a pair of recesses and then into the rear recess of the same pair of recesses.
  • the teeth of the knotter hook tooth section can mesh with a pinion of the knotter hook and the teeth of the driver tooth section can mesh with a pinion of the driver.
  • the drive pulley can have two groups of toothed sections in order to form two knots with a full revolution of the drive pulley.
  • the drive pulley can have a single group of toothed sections in order to form a single knot with a full revolution of the drive pulley.
  • Figure 1 shows a first embodiment of a yarn knotter 10, which is designed as a double knotter for producing two knots.
  • Figure 2 shows a second embodiment of a yarn knotter 10, which is used as a single knotter for producing a Node is formed.
  • Corresponding components are provided with the same reference symbols and are described jointly below, with differences being discussed specifically.
  • Figure 1 shows an upper wall 1 of a press channel 2 through which pressed material, for example straw, is conveyed in the conveying direction 3, a pressed bale 29 being formed from pressed material.
  • a knotting shaft 4 extending transversely over the width of the press channel 2 is rotatably mounted about an axis A, on which, depending on the width of the press channel 2, several yarn knotters 10 can be arranged.
  • Each twine knotter 10 is assigned a binding twine loop or strapping made of a first twine strand 5 and a second twine strand 7, which is placed in a vertical longitudinal plane at right angles to the axis A around the pressed bale 29, which in the embodiment of FIG Figure 1 is closed by the formation of two knots which are made by the twine knotter 10 (double knotter). From the front face (not shown) of the pressed bale 29 leading in the conveying direction 3, which is located in the direction shown in FIG Figure 1 The representation shown is located to the right of the twine knotter 10, the first twine strand 5 of the binding twine running over the top of the pressed bale 29 comes.
  • the first strand of yarn 5 is through not shown, in Figure 1 Means arranged to the left of the yarn knotter 10 are held tight. (For single knotters according to Figure 2 a section of the first twine strand is also clamped in a twine holder of the twine knotter during the pressing phase.) For double knotters according to Figure 1 a strand section is tensioned by means arranged outside the yarn knotter 10. A press needle 6 leads a second strand of twine 7 of the binding twine up around the rear face of the bale 29 from below in the direction of arrow 8, so that the second strand of twine 7 in the area of the knotter 10 can be brought together with the first strand of twine 5 to form a strand of twine and knotted .
  • the twine knotter 10 comprises a knotter hook 9, which is mounted in a knotter frame 11 around a knotter shaft 4 transversely, preferably radially, according to FIG Figure 1 obliquely upward, axis B is rotatable and can be driven about this axis B via a pinion 12.
  • a yarn knife 13 is movably arranged transversely to the yarn strands 5, 7 in order to cut the yarn after the knot has been formed.
  • the yarn knife 13 is attached to a knife lever 14 which is mounted about an axis E of a shaft journal 15 in a bearing is pivotably mounted in the knotter frame 11 and is moved by a roller 16 which is displaced in a groove 17 of a drive pulley 20.
  • a twine holder 18 holds the twine strands 5, 7 in position during certain working phases of the knotter hook 9 and the twine knife 13.
  • the yarn holder 18 is rotatable about an axis D which is inclined at about 45 ° forwards in a vertical plane.
  • the thread holder 18 comprises a thread holder 18A ( Figure 5 ) and a driver 18B ( Figures 3 and 4 ), which is driven to rotate and is mounted with a shaft 39 in a bearing on the knotter frame 11.
  • the drive of the driver 18B takes place via a pinion 19 which is in engagement with a worm 21 which can be driven by a pinion 22.
  • the worm 21 sits at one end of a pinion shaft 30, at the other end of which the pinion 22 is attached.
  • the pinions 12, 22 in the yarn knotter 10 according to FIG Figure 2 in the form of a single knot, which produce only one knot with one revolution of the drive pulley 20, each driven by a toothed section 25, 26 on the drive pulley 20.
  • the binding process is detailed in the EP 0 237 771 A1 described in more detail.
  • two knots are generated with one revolution of the drive pulley 20.
  • the pinions 12, 22 are driven by two groups, in the illustrated embodiment of pairs, of toothed sections 23, 24 and 25, 26, which are based on the in Figure 1
  • the flat side of the drive pulley 20 facing the viewer are arranged in the region of the outer edge thereof.
  • the toothed sections 24, 26 are identical to one another and lie radially a little further inward, so that when the drive pulley 20 rotates they can only come into engagement with the pinion 22 for driving the driver 18B.
  • the toothed sections 23, 25 are also identical to one another and lie radially on the very outside and drive the pinion 12 to drive the knotter hook 9.
  • the toothing sections 23, 24, 25, 26 each have several teeth.
  • the driver tooth sections 24, 26 here have a tooth-free interruption 41, 44, so that the driver is briefly stopped when one of the driver tooth sections 24, 26 is completely passed. This is necessary because, as will be explained below, the driver has several pairs of recesses over its circumference and the driver is rotated from one pair of recesses to the next pair of recesses over a section of the respective driver tooth section 24, 26.
  • a delay of the driver is necessary, especially with a double knotter, so that the other driven components interact with the driver in the appropriate sequence at the appropriate time.
  • the toothed sections 25, 26 also follow the toothed sections 23, 24 when the drive pulley 20 rotates counterclockwise by an angle of approximately 115 ° in the circumferential direction.
  • the toothed sections 23, 25 extend over an angle of approximately 30 °
  • the toothed sections 24, 26 extend over an angle of approximately 40 °.
  • the illustrated yarn knotter 10 performs two knots one after the other with one revolution of the drive pulley 20.
  • a first knot connects the lower second yarn strand 7 coming up behind on the rear face of the pressed bale 29 with the upper first yarn strand 5, whereby a closed twine loop is formed which wraps around the pressed bale 29.
  • a second knot connects the strand of twine coming up on the front face of the subsequent pressed bale with the strand of twine running on the top of the subsequent pressed bale, creating a new twine loop for the newly formed pressed bale into which the pressed bale is pressed.
  • the twine is cut between the knots so that the successive bales are separated from one another.
  • the illustrated yarn knotter 10 performs a knot with one revolution of the drive pulley 20. Only a lower strand of yarn 7 is used here. There is no spool of twine for an upper strand of twine, as is the case with double knotters.
  • the lower yarn strand 7 is fed to the yarn knotter 10 from below by means of the press needle. There it is clamped and the press needle moves down again. The pressed bale 29 is pressed into the yarn loop thus stretched.
  • the press needle After completion of the press bale 29, the press needle leads the lower strand of twine 7 on the rear face of the press bale 29 upwards to the twine knotter 10, which knots the end of the strand of twine 7 clamped in the knot with the end of the strand of twine 7 fed in from below, around the finished pressed bale 29 to be strapped with twine.
  • the yarn strand 7 is severed and the free end of the yarn strand 7 is clamped in the yarn knotter 10, so that a further yarn loop is formed into which the subsequent bale can be pressed.
  • the knotter hook has a knotter mouth, which is formed by a hook part 27 and a knotter tongue 28.
  • the knotter tongue 28 forms a two-armed lever pivotably mounted about a pivot axis, one arm (tongue part) of which interacts with the hook part 27 of the knotter hook 9 to form the knotter mouth and on the other arm of which a tongue roller (not shown here) is rotatably mounted.
  • the opening of the knotter mouth is achieved in that when the knotter hook 9 is rotated, the tongue roller runs over a cam surface (not shown here), as a result of which the tongue roller is raised and the tongue part is lifted from the hook part 27.
  • FIG Figure 3 shows the driver 18B in a perspective view
  • FIG Figure 4 shows the driver 18B in a front view in the direction of the axis of rotation Figures 3 and 4 are described together below.
  • the driver 18B comprises three driver disks 40 which are connected to the shaft 39 and which are arranged congruently next to one another and spaced apart from one another in the direction of the axis.
  • the driver 18B is in a direction of rotation 47 ( Figure 4 ) can be driven in rotation.
  • the driver disks 40 each have four pairs of recesses 42.
  • Each pair of recesses 42 has a front recess 48 in the direction of rotation 47 of the driver 18B and a rear recess 48 in the direction of rotation 47 of the driver 18B 49 on.
  • the recesses 48, 49 start from an outer peripheral edge 50 of the respective driver disk 40 and run inward. Viewed over the circumference of the respective driver disk 40, the distance between the front recess 48 and the rear recess 49 of a recess pair 42 is smaller than the distance between two adjacent recess pairs 42.
  • FIG. 13 shows a perspective view of the thread holder 18A.
  • the twine holder has three lamellae 51 arranged parallel and spaced apart from one another. In the assembled state, the lamellae 51 of the twine holder 18A mesh with the driver disks 40 of the driver 18B over a limited circumferential section of the driver disks 40.
  • yarn can be clamped between the driver disks 40 and the lamellae 51.
  • strands of yarn can be inserted into the recesses 48, 49 parallel to the axis of rotation D.
  • that recess 48, 49 into which the strand of yarn was inserted is rotated into the area of the yarn holder 18A, so that this recess 48, 49 is clamped by the yarn holder 18A and the strand of yarn between the drive disks 40 of the driver 18B and the lamellae 51 of the yarn holder 18A is clamped.
  • FIG. 13 shows a front view of the thread holder 18 with the driver 18B and the thread holder 18A according to FIG Figures 4 to 6 .
  • a first strand of yarn sits with a first end 5 ′ in the rear recess 49 of a front recess pair 42 and with a second end 5 ′′ in the front recess 48 ′ of a rear recess pair 42.
  • the drive plate 40 is in a rotational position in which the yarn holder covers the rear recess 49 of the front recess pair 42 and the front recess 48 'of the rear recess pair 42' so that both ends 5 ', 5 "of the first yarn strand 5 are held
  • the front recess 48 of the front pair of recesses 42 and the rear recess 49 'of the rear pair of recesses 42' are not covered by the thread holder 18A.
  • FIG. 7 shows a further embodiment of a twine holder with a passive twine clamp 58, which is arranged on a side of the driver 18B facing away from the knotter hook.
  • the twine clamp 58 has a clamping element 56 and a compression spring 57.
  • the clamping element 56 is supported against the driver 18B axially parallel to the axis D about which the driver 18B is rotated.
  • the clamping element 56 is supported in the radial area of the recess pairs 42 of the driver 18B.
  • the compression spring 57 is supported between the knotter frame 11 and the clamping element 56 and acts on the clamping element 56 with force against the driver 18B, so that a strand of yarn can be clamped between the clamping element 56 and the driver 18B.
  • the passive twine clamp 58 facilitates the transfer of twine, in particular between the formation of two knots in a double knotter.
  • the Figures 8 to 11 show schematically the method for forming two knots by means of a yarn knotter according to FIG Figure 1 , which is designed as a double knotter.
  • the Figures 8 to 11 show schematically a development of the contour of the outer peripheral edge 50 of one of the driver disks 40 of the driver 18B according to FIG Figures 3 and 4 . They also show schematically the twine holder 18A for clamping twine strands between the twine holder 18A and the drivers 18B.
  • Figure 8 shows the state after feeding a single pair of yarns 52 by means of a yarn feeding device in the form of a press needle 6 ( Figure 1 ) via the knotter hook into the rear recess 49 'of a front recess pair 42' of the recess pairs 42 according to FIG Figures 3 and 4 .
  • the single pair of twine strands 52 is made up of the first strand of twine 5, which passes over the top of the pressed bale 29 ( Figure 1 ) runs, and the second strand of thread 7, which from the press needle 6 ( Figure 1 ) was promoted to the top.
  • the rear recess 49 'of the front pair of recesses 42' is in an insertion position shortly before reaching the yarn holder 18A.
  • the driver 18B is rotated in the direction of rotation D with respect to the twine holder 18A.
  • the rear recess 49 'of the front pair of recesses 42' reaches a clamping position area in which the rear recess 49 'of the front recess pair 42' is clampingly covered by the twine holder 18A, so that the twine strand pair 52 is clamped between the twine holder 18A and the driver 18B.
  • the knotter hook is rotated one full turn to form a first knot 53 in the individual thread pair 52.
  • the driver 18B is rotated further until the front recess 48 ′′ of the rear recess pair 42 ′′ reaches the insertion position, that is, it reaches a position shortly in front of the twine holder 18A.
  • the individual pair of twine strands 52 are fed by means of the twine feed device in the form of the press needle 6 shown as an example ( Figure 1 ) inserted into the front recess 48 ′′ of the rear recess pair 42 ′′.
  • the yarn strand pair 52 therefore runs from a front side of the driver 18B through the rear recess 49 'of the front recess pair 42' to a rear side of the driver 18B and from there again through the front recess 48 "of the rear recess pair 42" to the front.
  • a second knot 54 is formed in the yarn strand pair 52 by turning the knotter hook one full turn. The knotter hook is rotated as long as at least one of the recesses 49 ', 48 "in which the pair of twine strands 52 is arranged, i.e.
  • FIG Figure 10 An exemplary position is shown in FIG Figure 10 shown.
  • the driver 18B is rotated until the front recess 48 ′′ of the rear recess pair 42 ′′ has reached a release position in which the twine holder 18A exposes the front recess 48 ′′ of the rear recess pair 42 ′′.
  • the individual thread pair 52 is then pulled out of the thread holder 18, which comprises the thread holder 18A and the driver 18B, as shown in FIG Figure 11 is indicated.
  • a new twine loop is formed by the first yarn strand 5 on top and the second yarn strand 7 below, into which a new bale can be pressed.
  • the Figures 12 to 16 show schematically the method for forming a single knot by means of a yarn knotter according to FIG Figure 2 .
  • the double knotter according to Figure 1 has two toothed sections 23, 25 for driving the knotter hook 9 and two toothed sections 24, 26 for driving the driver 18B.
  • the knotter hook 9 completes two full revolutions to form two knots.
  • the driver 18B is driven accordingly.
  • the single knotter according to Figure 2 only two of the toothed sections 25, 26, so that with one full revolution of the drive pulley 20 the knotter hook 9 completes one full revolution in order to form a knot.
  • the driver 18B is also driven only once in parallel with the formation of the knot.
  • the first strand of twine 5 is not clamped in means separate from the twine knotter or in a separate holding device while the bale is being formed.
  • the first strand of twine 5 is clamped by the twine holder 18 while the bale is being formed.
  • the Figures 12 to 16 show schematically a development of the contour of the outer peripheral edge 50 of one of the driver disks 40 of the driver 18B according to FIG Figures 3 and 4 . They also show schematically the twine holder 18A for clamping twine strands 5, 7 between the twine holder 18A and the drivers 18B.
  • Figure 12 shows the situations of the twine holder with twine holder 18A and driver 18B after a first individual twine strand 5 over the knotter hook according to FIG Figure 1 is guided to a bundle (for example pressed bale), wherein the first individual thread strand 5 is inserted in the front recess 48 'of the front recess pair 42' and is clamped between the driver 18A and the twine holder 18B.
  • the first yarn strand 5 is still in this position from a previous knot formation and is held in a clamping manner.
  • a cut end 55 of the first thread strand 5 is located on a front side of the driver 18B.
  • the first strand of yarn 5 is inserted through the rear recess 49 of a pair of recesses 42 leading the front pair of recesses 42 'and is guided to a rear side of the driver 18B. From there, the first thread strand 5 is again guided through the front recess 48 'of the front pair of recesses 42' to the front of the driver 18B and is clamped between the thread holder 18A and the driver 18B.
  • a second individual thread strand 7 is inserted into the rear recess 49 'of the front pair of recesses 42' via the knotter hook by means of a thread feed device in the form of, for example, a press needle.
  • a thread feed device in the form of, for example, a press needle.
  • the rear recess 49 'of the front pair of recesses 42' in an insertion position shortly before reaching the yarn holder 18A.
  • the driver 18B is then rotated until the rear recess 49 'of the front pair of recesses 42' reaches a clamping position area in which the thread holder 18A covers the rear recess 49 'of the front pair of recesses 42'. While the rear recess 49 'of the front pair of recesses 42' is in the clamping position area, the knotter hook is rotated one full turn to form a common knot 53 in the first yarn strand 5 and the second yarn strand 7. This situation is in Figure 14 shown.
  • the driver 18B is then rotated further until the front recess 48 ′′ of the rear recess pair 42 ′′ reaches the insertion position shortly before it reaches the twine holder 18A.
  • the second individual yarn strand 7 is by means of the press needle is inserted into the front recess 48 ′′ of the rear recess pair 42 ′′.
  • the second individual yarn strand 7 thus runs, starting from the knot 53, from a front side of the driver 18B through the rear recess 49 'of the front pair of recesses 42' to a rear side of the driver 18B and back again to the front through the front recess 48 ′′ of the rear recess pair 42 ′′.
  • This situation is in Figure 15 shown.
  • the driver 18B is then rotated further until the front recess 48 'of the front pair of recesses 42' reaches a release position in which the twine holder 18B releases the front recess 48 'of the front pair of recesses 42' and the front recess 48 "of the rear pair of recesses 42 "has reached the clamping position range.
  • the second thread strand 7 is severed between the knotter hook or the knot 53 and the thread holder or the driver 18B by means of the thread knife and the first thread thread 5 is pulled out of the thread holder 18 by means of the thread knife, as shown in FIG Figure 16 is shown schematically. Since the second thread strand 7 is clamped in the thread holder, it can be severed by means of the thread knife.
  • first thread strand 5 Since the first thread strand 5 is no longer clamped by the thread holder 18, it is not cut through by the thread knife, but rather pulled out of the thread holder. That part of the first yarn strand 5 that was on the back of the driver 18B is thus not completely separated and does not fall to the ground as waste, but remains at the knot 53. This part of the first yarn strand 5 is preferably partially through the knot 53 pulled so that a loop forms. The cut end of the second yarn strand 7, which is still at the knot 53, is preferably pulled completely through the knot 53.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Claims (11)

  1. Noueur de fil (10), comprenant :
    un crochet de noueur (9), destiné à créer nœud (53) dans un fil,
    un support de fil (18), destiné à serrer du fil, doté d'un porte-fil (18A), le porte-fil (18A) étant en liaison active par serrage par l'intermédiaire d'une périphérie partielle de l'entraîneur (18B) avec ce dernier, et un entraîneur (18B) rotatif par rapport au porte-fil (18A), l'entraîneur (18B) comportant sur la périphérie au moins deux paires d'évidements (42, 42', 42") dotées chacune d'un évidement (48, 48', 48") antérieur dans le sens de rotation (D) de l'entraîneur (18B), dévolu au logement d'un écheveau de fil (5, 7) individuel ou d'une paire individuelle d'écheveaux de fil (52) et d'un évidement (49, 49', 49") postérieur, dévolu au logement d'un écheveau de fil (5, 7) individuel supplémentaire ou de la paire individuelle d'écheveaux de fil (52),
    un système d'alimentation du fil (6), dévolu à l'alimentation de fil par l'intermédiaire du crochet de noueur (9) dans le support de fil (18) et
    un couteau coupe-fil (13), destiné à sectionner du fil,
    caractérisé en ce que
    le porte-fil (18A) présente sur la périphérie de l'entraîneur (18B) une longueur telle qu'au moins dans une position en rotation de l'entraîneur (18B) par rapport au porte-fil (18A), le porte-fil (18A) recouvre par serrage l'évidement (49') postérieur d'une paire d'évidements (42') antérieure dans le sens de rotation et l'évidement (48") antérieur d'une paire d'évidements (42") postérieure suivante dans le sens de rotation et libère l'évidement (48') antérieur de la paire d'évidements (42') antérieure.
  2. Noueur de fil (10) selon la revendication 1,
    caractérisé en ce que
    sur la périphérie de l'entraîneur (18B), l'écart entre l'évidement (48, 48', 48") antérieur et l'évidement (49, 49', 49") postérieur d'une paire d'évidements (42, 42', 42") est inférieur à l'écart entre deux paires d'évidements (42, 42', 42") voisines sur la périphérie.
  3. Noueur de fil selon l'une quelconque des revendications 1 ou 2,
    caractérisé en ce que
    le noueur de fil (10) comporte par ailleurs un pincefil (58) qui est placé sur un côté de l'entraîneur (18B) qui est opposé au crochet de noueur (9) et qui sert à pincer du fil entre l'évidement (49') postérieur de la paire d'évidements (42') antérieure et l'évidement (48") antérieur de la paire d'évidements (42") postérieure.
  4. Noueur de fil selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    les évidements (48, 48', 48") antérieurs des paires d'évidements (42, 42', 42") s'étendent sur une périphérie partielle de l'entraîneur (18B) supérieure à celle des évidements (49, 49', 49") postérieurs.
  5. Noueur de fil selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    le noueur de fil (10) comporte quatre paires d'évidements (42, 42', 42") qui sont placées en distribution régulière sur la périphérie de l'entraîneur (18B).
  6. Noueur de fil (10) selon la revendication 1 à 5,
    caractérisé en ce que
    le noueur de fil (10) comporte par ailleurs, pour créer un nœud (53, 54) un disque d'entraînement (20) susceptible d'être entraîné en rotation, doté d'au moins un groupe de segments dentés (23, 24, 25, 26), assurant l'entraînement intermittent du crochet de noueur (9) et de l'entraîneur (18B),
    en ce que l'au moins un groupe de segments dentés (23, 24, 25, 26) comporte un segment denté dédié au crochet de noueur (23, 25) et un segment denté dédié à l'entraîneur (24, 26), dotés chacun de plusieurs dents, et
    en ce que le segment denté dédié à l'entraîneur (24, 26) comporte sur la périphérie des interruptions (41, 44) exemptes de dents.
  7. Noueur de fil selon la revendication 6,
    caractérisé en ce que
    pour l'entraînement en rotation, les dents du segment denté dédié au crochet de noueur (23, 25) s'engrènent dans un pignon (12) du crochet de noueur (9), et
    en ce que pour l'entraînement en rotation, les dents du segment denté dédié à l'entraîneur (24, 26) s'engrènent dans un pignon (22) de l'entraîneur (18B).
  8. Noueur de fil selon la revendication 6 ou 7,
    caractérisé en ce que
    le disque d'entraînement (20) comporte deux groupes de segments dentés (23, 24, 25, 26), destinés à créer deux nœuds (53, 54).
  9. Noueur de fil selon la revendication 6 ou 7,
    caractérisé en ce que
    le disque d'entraînement (20) comporte un groupe de segments dentés (23, 24, 25, 26), destiné à créer un nœud (53).
  10. Procédé, destiné à créer deux nœuds (53, 54) à l'aide d'un noueur de fil (10) selon la revendication 8, le procédé présentant le déroulement suivant, consistant à :
    1. alimenter une paire individuelle d'écheveaux de fil (52) à l'aide du système d'alimentation du fil (6), par l'intermédiaire du crochet de noueur (9) dans l'évidement (49') postérieur de la paire d'évidements (42') antérieure,
    2. faire tourner l'entraîneur (18B) jusqu'à ce que l'évidement (49') postérieur de la paire d'évidements (42') antérieure atteigne une zone de position de serrage, dans laquelle le porte-fil (18A) recouvre par serrage l'évidement (49') postérieur de la paire d'évidements (42') antérieure, et faire tourner simultanément le crochet de noueur (9) d'un tour complet, pour créer un premier nœud (53) dans la paire individuelle d'écheveaux de fil (52),
    3. sectionner la paire individuelle d'écheveaux de fil (52) entre le crochet de noueur (9) et l'évidement (49') postérieur de la paire d'évidements (42') antérieure du support de fil (18) à l'aide du couteau coupe-fil (13) pendant que l'évidement (49') postérieur de la paire d'évidements (42') antérieure est recouverte par serrage par le porte-fil (18A),
    4. continuer à faire tourner l'entraîneur (18B) jusqu'à ce que l'évidement (48") antérieur de la paire d'évidements (42") postérieure atteigne la position d'insertion,
    5. alimenter la paire individuelle d'écheveaux de fil (52) à l'aide du système d'alimentation du fil (6) dans l'évidement (48") antérieur de la paire d'évidements (42") postérieure,
    6. faire tourner le crochet de noueur (9) d'un tour complet, pour créer un deuxième nœud (54) dans la paire individuelle d'écheveaux de fil (52) aussi longtemps qu'au moins l'un parmi l'évidement (49') postérieur de la paire d'évidements (42') antérieure et l'évidement (48") antérieur de la paire d'évidements (42") postérieure est recouverte par serrage par le porte-fil (18A),
    7. faire tourner l'entraîneur (18B) jusqu'à ce que l'évidement (48") antérieur de la paire d'évidements (42") postérieure atteigne une position de libération, dans laquelle le porte-fil (18A) libère l'évidement (48") antérieur de la paire d'évidements (42") postérieure, et
    8. tirer la paire individuelle d'écheveaux de fil (52) hors du support de fil (18) à l'aide du couteau coupe-fil (13).
  11. Procédé, destiné à créer un nœud (53) à l'aide d'un noueur de fil (10) selon la revendication 9, le procédé présentant le déroulement suivant, consistant à :
    1. guider un premier écheveau de fil (5) individuel par l'intermédiaire du crochet de noueur (9) vers un contenant (29), le premier écheveau de fil (5) individuel étant serré dans l'évidement (48') antérieur de la paire d'évidements (42') antérieure, entre l'entraîneur (18B) et le porte-fil (18A),
    2. alimenter un deuxième écheveau de fil (7) individuel à l'aide du système d'alimentation du fil (6) par l'intermédiaire du crochet de noueur (9) dans l'évidement (49') postérieur de la paire d'évidements (42') antérieure,
    3. faire tourner l'entraîneur (18B) jusqu'à ce que l'évidement (49') postérieur de la paire d'évidements (42') antérieure atteigne une zone de position de serrage, dans laquelle le porte-fil (18A) recouvre par serrage l'évidement (49') postérieur de la paire d'évidements (42') antérieure, et faire tourner simultanément le crochet de noueur (9) d'un tour complet, pour créer un nœud (53) commun dans les deux écheveaux de fil (5, 7),
    4. continuer à faire tourner l'entraîneur (18B) jusqu'à ce que l'évidement (48") antérieur de la paire d'évidements (42") postérieure atteigne la position d'insertion,
    5. alimenter le deuxième écheveau de fil (7) individuel à l'aide du système d'alimentation du fil (6) dans l'évidement (48") antérieur de la paire d'évidements (42") postérieure,
    6. faire tourner l'entraîneur (18B) jusqu'à ce que l'évidement (48') antérieur de la paire d'évidements (42') antérieure atteigne une position de libération, dans laquelle le porte-fil (18A) libère l'évidement (48') antérieur de la paire d'évidements (42') antérieure, et que l'évidement (48") antérieur de la paire d'évidements (42") postérieure atteigne la zone de position de serrage,
    7. sectionner le deuxième écheveau de fil (7) entre le crochet de noueur (9) et le support de fil (18) à l'aide du couteau coupe-fil (13) et
    8. tirer le premier écheveau de fil (5) hors du support de fil (18) à l'aide du couteau coupe-fil (13) .
EP19195962.6A 2019-09-06 2019-09-06 Noueurs de fil Active EP3788865B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES19195962T ES2903445T3 (es) 2019-09-06 2019-09-06 Anudadores de hilo
EP19195962.6A EP3788865B1 (fr) 2019-09-06 2019-09-06 Noueurs de fil
PL19195962T PL3788865T3 (pl) 2019-09-06 2019-09-06 Supłacz sznurka
US16/997,138 US11856894B2 (en) 2019-09-06 2020-08-19 Twine knotter and method of forming a knot in a twine
CN202010921765.4A CN112455760B (zh) 2019-09-06 2020-09-04 捆绳打结器和用于捆绳打结的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19195962.6A EP3788865B1 (fr) 2019-09-06 2019-09-06 Noueurs de fil

Publications (2)

Publication Number Publication Date
EP3788865A1 EP3788865A1 (fr) 2021-03-10
EP3788865B1 true EP3788865B1 (fr) 2021-11-03

Family

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EP19195962.6A Active EP3788865B1 (fr) 2019-09-06 2019-09-06 Noueurs de fil

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Country Link
US (1) US11856894B2 (fr)
EP (1) EP3788865B1 (fr)
CN (1) CN112455760B (fr)
ES (1) ES2903445T3 (fr)
PL (1) PL3788865T3 (fr)

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DE201921C (fr) * 1907-05-24
US1169989A (en) * 1914-11-17 1916-02-01 Richard H Moore Gripper-disk for binders.
GB497474A (en) * 1938-01-18 1938-12-20 Heinrich Lanz Ag Improvements in twine grips for the twine holders of the tying apparatus of self-binder harvesters, straw-binders, straw-presses and the like
US3215460A (en) * 1963-12-06 1965-11-02 Int Harvester Co Cord holder
US3232652A (en) * 1964-04-15 1966-02-01 Ter Borg & Mensinga S Maschine Cord holder for a knotter for a baling press
GB1146035A (en) * 1966-05-02 1969-03-19 Int Harvester Co Improvements in knot-tying devices for agricultural apparatus
US3441302A (en) * 1967-04-06 1969-04-29 Int Harvester Co Knotter
US3508776A (en) * 1968-10-14 1970-04-28 Int Harvester Co Cam actuated twine knife
US3570354A (en) * 1968-11-22 1971-03-16 Int Harvester Co Guided stationary knife for double shear knife
US4074623A (en) 1976-11-16 1978-02-21 Hesston Corporation Method for binding a crop bale
DE3607694A1 (de) 1986-03-08 1987-09-10 Rasspe Soehne P Garnknuepfer nach dem system deering-hochdruck fuer ballenpressen und dergleichen
DE8606383U1 (fr) 1986-03-08 1990-08-16 P.D. Rasspe Soehne Gmbh & Co Kg, 5650 Solingen, De
US7398727B2 (en) * 2006-02-09 2008-07-15 Interform, Inc. Twine cutting knife for square baler apparatus
CN201450886U (zh) * 2009-08-04 2010-05-12 中国农业大学 机械式方草压捆机打结器
CN202873378U (zh) * 2012-04-21 2013-04-17 中国农业机械化科学研究院呼和浩特分院 合成式打结器
TR201808072T4 (tr) * 2012-06-14 2018-07-23 Rasspe Systemtechnik GmbH Sicim düğümleme mekanizması.
BE1021117B1 (nl) * 2012-10-16 2015-11-16 Cnh Industrial Belgium Nv Verbeterd knopersysteem voor een balenpers
BE1021116B1 (nl) * 2012-10-16 2016-01-18 Cnh Industrial Belgium Nv Knopersysteem voor een balenpers
CN203691996U (zh) * 2013-08-16 2014-07-09 北京航星机器制造有限公司 弹性夹绳d型打结器
CN104823607B (zh) * 2015-04-03 2017-05-31 江苏大学 一种双齿盘驱动打结器
CN107182457A (zh) * 2017-05-10 2017-09-22 浙江以勒机械科技有限公司 一种割绳装置及割绳方法

Also Published As

Publication number Publication date
CN112455760B (zh) 2022-06-14
CN112455760A (zh) 2021-03-09
EP3788865A1 (fr) 2021-03-10
US11856894B2 (en) 2024-01-02
PL3788865T3 (pl) 2022-03-14
US20210068347A1 (en) 2021-03-11
ES2903445T3 (es) 2022-04-01

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